SKU: 41439476196

Xiaomi Smart Band 9 Active Fitness Tracker

Sale price$296.69 Regular price$329.65
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Description

Xiaomi Smart Band 9 Active Fitness TrackerThe Xiaomi Smart Band 9 Active delivers an exceptional blend of cutting edge technology, comfort, and functionality. Boasting a 1. 47 inch TFT touch display with a 60Hz high refresh rate, it ensures ultra smooth visuals and responsive interactions, making every swipe and operation seamless. The lightweight design, at just 16. 5g, offers a barely there feel, whether you're at the office, hitting the gym, or catching up on sleep. Its replaceable frame

The Xiaomi Smart Band 9 Active delivers an exceptional blend of cutting-edge technology, comfort, and functionality. Boasting a 1.47-inch TFT touch display with a 60Hz high refresh rate, it ensures ultra-smooth visuals and responsive interactions, making every swipe and operation seamless. The lightweight design, at just 16.5g, offers a barely-there feel, whether you're at the office, hitting the gym, or catching up on sleep. Its replaceable frame allows you to personalize the look, adding a touch of style to your daily wear.

Designed for all-day performance, the Smart Band 9 Active features automatic health and fitness monitoring to keep you in tune with your well-being around the clock. Advanced sensors, including a PPG sensor and light path detection, ensure precise tracking of health metrics like heart rate, SpO₂ levels, and stress levels. Optimized algorithms deliver professional-grade results, enhancing your fitness journey. Scientific sleep monitoring captures data on sleep stages, such as deep sleep, light sleep, and REM, helping you improve your sleep habits for better health.

The band supports an impressive array of 50 sports modes, including running, outdoor cycling, and rowing, offering real-time metrics and insights to optimize your workouts. With 5ATM water resistance, it’s ready to accompany you for a swim or endure unexpected rain. Reliable performance meets convenience with Bluetooth® 5.3 BLE connectivity, ensuring seamless integration with your devices. Plus, customizable watch faces—over 100 options—let you switch styles to match your mood or activity.

Powered by a 300mAh battery and a new low-power chip platform, the Xiaomi Smart Band 9 Active delivers up to 18 days of typical usage, a 29% improvement over its predecessor. Magnetic charging ensures hassle-free recharging in under two hours. With support for Mi Fitness on Android and iOS, the band provides a comprehensive suite of health and fitness tools in a compact, stylish package, perfect for users who demand style and substance in their wearable tech.

FEATURES:

1.47″ TFT display with 60Hz refresh rate
Supports 50 sports modes to keep track of your fitness journey
Up to 18 days of battery life for all day usage
Supports 100+ watch faces to suit your mood
Upgraded all-round sleep monitoring
16.5g Lightweight design

SPECIFICATIONS:

Display 1.47-inch TFT Touch Display
Resolution 172 x 320 pixels,  247 PPI
Material Reinforced glass cover
Watch faces 100+
Sensors PPG sensor | Accelerometer | Motor: ERM
Charging type Magnetic charging
Charging time less than 120 minutes
Typical usage time Up to 18 days
Battery Capacity 300mAh
Fitness 50 fitness modes
Health Heart rate monitoringSpO₂ trackingSleep trackingWomen's health managementStress measurement
Heart rate monitoring
SpO₂ tracking
Sleep tracking
Women's health management
Stress measurement
Water Resistance 5ATM water resistant
App Support Mi Fitness
Bluetooth® 5.3 BLE
Compatibility supports smartphones with Android 8.0/ iOS 12.0 and above
Band Strap Adjustable length: 135–215mmMaterial: TPU
Adjustable length 135–215mm
Material TPU
Colour Black
Product Dimensions 4.6 x 2.6 x 1 cm
Product Weight 16.5g

WHAT’S IN THE BOX:

  • Xiaomi Smart Band 9 Active – Black x1
  • Band Strap x1
  • Dedicated Charging Cable x1
  • User Manual x1
Shipping Notes
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SKU: 41439476196

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Randy Hayes
Pawtucket, US
★★★★★ 5
Hilarious and Informative
Format: Kindle
This book was a major hit with me - it had me in hysterics at several points while teaching me a lot about machine learning and neural networks on a deep level.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
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Odysseus at home
Draper, US
★★★★★ 5
An adorable book
Format: Paperback
This is an adorable book. I bought it because I needed to know more about AI, and this exemplar seemed perfect to me. And it was. I had already read several books on AI, dozens in fact, and let's say this is one of the best. First: the tone (the author is very nice); secondly, the drawings (always adding clarity), and thirdly, the scope (it covers all the main topics, including ethical and technological issues). The problem with books on AI is that some authors begin to talk on AI in a very effective manner, but then, before you realize, they start pontificating on all the evils that it brings with it, and the perverse people behind the scene trying to kidnap your soul (or your money). Believe me, I tremble every time I read on AI because I know what possibly is going to happen after the first fifty pages. This is not the case. Janelle Shane goes to the point, shows you the magic, and the limits of this pervasive science, without painting the horror movie some others make you watch. Highly recommended for all those interested in passing a couple of days of good reading on AI topics, learning on them, and enjoying a very entertaining author. Five brilliant stars.
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Reviewed in the United States on October 13, 2023
K
Verified Purchase
Kelson Vibber
Omaha, US
★★★★★ 5
A fun, accessible introduction to how AI works...and how it sometimes doesn't!
Format: Hardcover
Still relevant despite recent advances in AI-generated imagery and text, because the new systems still work on the same principles as the ones that were around three years ago. They just have a lot more data and processing power. This also means they have the same limitations and blind spots. What was it trained on? *How* was it trained? (This is the most obvious way human bias can leak into an AI model.) How well is the goal specified? And of course, did the AI actually latch onto relevant details, or did it notice that all the training pictures labeled sheep had green fields and blue skies, and completely ignore the actual sheep? These are things to keep in mind as we enter the landscape of generative AI tools like ChatGPT: You can train an LLM to write a book review, and it'll give you a great piece of text that *reads* like a book review -- but it's not going to have actually evaluated the book. For that, you'd have to train *another* AI to categorize books as good, bad, interesting, dull, and so on. But even that can only be as good as its training data. (I don't remember whether the classic phrase "garbage in, garbage out" is used anywhere in the book, but it still applies today!)
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Reviewed in the United States on April 1, 2023
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Tero
Massapequa, US
★★★★★ 4
If you want a book on the details of AI without math and statistics, this is it
Format: Paperback
I had this book a year or two back and then sold a lot of books as they piled up. After that I read a good number of books on AI. Of those, Ethan Mollick's book Co-Intelligence is best for the user end. But then there was still the issue of how do they do it? If you want to understand the process how AI works, there are a few books like this. Melanie Mitchell tends to focus on pictures. When you read ANY of these book, you will come to a page where you think "this makes no sense." You get there because the way AI chops up information and stores it in "cells" and then processes in stages (deep learining, hidden layers) is not how we think. They are not brains, though the neural network has some similarity to ours. You will simply need to finish the book. This one or the one you bought. Then read another one, if needed. It will make a lot of sense if you finish the book. Then you just generalize where you are at. I am never going to write Python or get deeply involved in tha manner. I am quite familiar with the free vesrions and I am able to check what summaries I get from AI. I will also keep up with the language part of it. AI does not study grammar the way we do. It looks for patterns in millions of examples. I have since 2023 gone through most of the 20 dollar range books. This one is the best.
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Reviewed in the United States on April 1, 2026
E
Verified Purchase
Erica V. Matos
Battle Creek, US
★★★★★ 5
Great, funny intro to AI
Format: Hardcover
This is a wonderful, humorous introduction to AI that is a fast read packed full of examples. It makes a great gift for friends or family who don’t know much about the field, and I imagine it would be especially interesting to teens. I loved the way she used running jokes to make connections between themes. Shane is clearly on a mission to make AI more accessible. It’s funny, someone else said they didn’t like this book because it wasn’t enough like Shane’s tear-inducingly-hilarious blog. But here’s the thing: I can read the blog for free! I was actually nervous that I was going to be getting a repeat of the blog in book form, but it was super different. If you’re a computer science scholar, maybe skip this one, but I don’t think that was the audience Shane was trying to reach.
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Reviewed in the United States on November 19, 2019

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